Ch 4: Macromolecules

About This Chapter

View these video lessons to learn about macromolecules. Our instructors show you what you need to know about the structures and functions of these large molecules.

Macromolecules - Chapter Summary

In this chapter, our lessons offer detailed explanations of the classes of macromolecules, which are carbohydrates, lipids, proteins and nucleic acids. Instructors discuss key terms as well as the role of macromolecules in cellular functions. Specifically, this chapter can help you:

Identify the structures and functions of carbohydrates, lipids and proteins

Discuss characteristics of the 20 amino acids

Explain amino acids, polymerization and peptide bonds

Examine the primary, secondary, tertiary and quaternary structures of proteins

Describe the chemical structures of nucleic acids and phosphodiester bonds

Explain the double helix structure of DNA

Identify the differences between RNA and DNA

Our instructors, experts in their field, break down complex subject matter into smaller components to help you master the materials. Each lesson is less than 10 minutes long and can be viewed multiple times. If you need to review one or two main parts of the lesson, use tags to jump to that section of the video. Each lesson also offers a multiple choice quiz to help you assess how well you grasped the information.

Summary:

Earning College Credit

Did you know… We have over 95 college courses that prepare you to earn
credit by exam that is accepted by over 2,000 colleges and universities. You can test out of the first two years of college and save
thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.